If I held all the thoughts of the world in my hand, I would be careful not to open it.

Our sun enlightens the planets that belong to him; why may not every fixed star also have planets to which they give light?

A work of morality, politics, criticism will be more elegant, other things being equal, if it is shaped by the hand of geometry.

If I had my hand full of truth, I would take good care how I opened it.

Behold a universe so immense that I am lost in it. I no longer know where I am. I am just nothing at all. Our world is terrifying in its insignificance.

An educated mind is, as it were, composed of all the minds of preceding ages.

I hate war, for it spoils conversation.